8.8
High
CVE-2026-43110 In the Linux kernel, the following vulnerability has been resolved: wifi: brcmfmac: validate bsscfg indices in IF events…
Description
In the Linux kernel, the following vulnerability has been resolved: wifi: brcmfmac: validate bsscfg indices in IF events brcmf_fweh_handle_if_event() validates the firmware-provided interface index before it touches drvr->iflist[], but it still uses the raw bsscfgidx field as an array index without a matching range check. Reject IF events whose bsscfg index does not fit in drvr->iflist[] before indexing the interface array. [add missing wifi prefix]
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Linux 7.0 | earliest → < 7.0 | 7.0 |
| Linux 6.19 | earliest → < 6.19.14 | 6.19.14 |
| Linux 6.18 | earliest → < 6.18.24 | 6.18.24 |
| Linux 6.12 | earliest → < 6.12.83 | 6.12.83 |
| Linux 6.6 | earliest → < 6.6.136 | 6.6.136 |
| Linux 6.1 | earliest → < 6.1.175 | 6.1.175 |
| Linux 5.15 | earliest → < 5.15.209 | 5.15.209 |
| Linux 5.10 | earliest → < 5.10.258 | 5.10.258 |
| Linux | 3.9 | No fix stated |
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| Product | Affected versions | Fixed in |
|---|---|---|
| SIMATIC S7-1500 TM MFP - GNU/Linux subsystem | Versions not published |
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